<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>登录页</title>
</head>
<body>
  <form action="/doLogin" method="post">
      用户名：<input name="username"/> <br/>
      密码：<input name="password" type="password"/> <br/>
      <input type="hidden" name="url" th:value="${url}">
      <input type="submit" value="提交">
  </form>
</body>
</html>
